135380963565 has 12 divisors (see below), whose sum is σ = 234660336924. Its totient is φ = 72203180544.

The previous prime is 135380963539. The next prime is 135380963611. The reversal of 135380963565 is 565369083531.

It is a happy number.

135380963565 is a `hidden beast` number, since 13 + 5 + 3 + 8 + 0 + 9 + 63 + 565 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 99211770441 + 36169193124 = 314979^2 + 190182^2 .

It is not a de Polignac number, because 135380963565 - 2⁵ = 135380963533 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1504232884 + ... + 1504232973.

It is an arithmetic number, because the mean of its divisors is an integer number (19555028077).

Almost surely, 2^135380963565 is an apocalyptic number.

135380963565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135380963565 is a deficient number, since it is larger than the sum of its proper divisors (99279373359).

135380963565 is a wasteful number, since it uses less digits than its factorization.

135380963565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3008465868 (or 3008465865 counting only the distinct ones).

The product of its (nonzero) digits is 8748000, while the sum is 54.

The spelling of 135380963565 in words is "one hundred thirty-five billion, three hundred eighty million, nine hundred sixty-three thousand, five hundred sixty-five".